JAVA代码实现发送邮件
前言J2EE前台发送邮件代码实现 下载并加载JavaMail API前言
今天跟大家分享一篇,发送电子邮件的博文
使用了java+jsp+servlet
源码可在下方链接下载
链接:/s/1YF2mvR0fhy95kcv83ER_hw?pwd=z5b1.
提取码:z5b1
实现功能以下!!
1、 J2EE前台发送邮件
2、Java代码后台实现发送邮件
J2EE前台发送邮件
我们以结果为导向
运行截图
手机接收到的邮件
代码实现
1.新建Dynamic Web Project工程
2.引入mail.jar和activation.jar
3.项目目录结构如图
4.配置发件人163邮箱的SMTP服务器、账户以及密码等参数
mail.properties配置文件
编写身份身份验证类
用来验证SMTP服务器身份。程序继承了Authenticator类,它主要用来实现登录邮件服务器时的认证。它包含两个属性:username和password,分别用来存储认证时所需的用户名和密码信息。
package com.liuchunming.mail;import javax.mail.Authenticator;import javax.mail.PasswordAuthentication;public class Auth extends Authenticator {private String username = "";private String password = "";public Auth(String username, String password) {this.username = username;this.password = password;}public PasswordAuthentication getPasswordAuthentication() {return new PasswordAuthentication(username, password);} }
发送邮件类
SendMail实现对发送邮件身份的认证,获得Session对象。该方法中SMTPHost、Port、MailUsername、MailPassword分别表示所使用的SMTP服务器、服务器的smtp端口、用户名和密码。sendingMimeMail()方法为发送邮件的方法,在该方法需要传入的参数中,MailFrom为发件人电子信箱,MailTo为收件人电子信箱,MailCopyTo为抄送人电子信箱,MailBCopyTo为暗送人电子信箱,MailSubject为发送邮件主题,MailBody为发送邮件正文。sendingMimeMail()返回boolean类型,表示是否发送成功。发送邮件时先调用构造方法SendMail()创建邮件发送对象,然后调用sendingMimeMail()方法发送。
package com.liuchunming.mail;import java.util.Properties;import javax.mail.Message;import javax.mail.Session;import javax.mail.Transport;import javax.mail.internet.InternetAddress;import javax.mail.internet.MimeMessage;public class SendMail {private Properties props; //系统属性private Session mailSession; //邮件会话对象private MimeMessage mimeMsg; //MIME邮件对象public SendMail(String SMTPHost, String Port, String MailUsername, String MailPassword) {Auth au = new Auth(MailUsername, MailPassword);//设置系统属性props=java.lang.System.getProperties(); //获得系统属性对象props.put("mail.smtp.host", SMTPHost); //设置SMTP主机props.put("mail.smtp.port", Port); //设置服务端口号props.put("mail.smtp.auth", "true"); //同时通过验证//获得邮件会话对象 mailSession = Session.getInstance(props, au);}public boolean sendingMimeMail(String MailFrom, String MailTo,String MailCopyTo, String MailBCopyTo, String MailSubject,String MailBody) {try {//创建MIME邮件对象mimeMsg=new MimeMessage(mailSession);//设置发信人mimeMsg.setFrom(new InternetAddress(MailFrom));//设置收信人if(MailTo!=null){mimeMsg.setRecipients(Message.RecipientType.TO, InternetAddress.parse(MailTo));} //设置抄送人if(MailCopyTo!=null){mimeMsg.setRecipients(javax.mail.,InternetAddress.parse(MailCopyTo));}//设置暗送人if(MailBCopyTo!=null){mimeMsg.setRecipients(javax.mail.Message.RecipientType.BCC,InternetAddress.parse(MailBCopyTo));}//设置邮件主题 mimeMsg.setSubject(MailSubject,"gb2312");//设置邮件内容,将邮件body部分转化为HTML格式mimeMsg.setContent(MailBody,"text/html;charset=gb2312");//发送邮件Transport.send(mimeMsg);return true;} catch (Exception e) {e.printStackTrace();return false;}}}
写SendDemo类进行测试
package com.liuchunming.demo;import com.zhi.mail.SendMail;public class SendDemo {/*** 可直接运行主方法* @param args*/public static void main(String[] args) {String SMTPHost="";String Port="25";String MailUsername=""; //发送邮件账号String MailPassword=""; //密码SendMail sendMail=new SendMail(SMTPHost,Port,MailUsername,MailPassword);String MailFrom=""; //发件人String MailTo=""; //收件人String MailCopyTo=null; //抄送人String MailBCopyTo=null; //暗送人String MailSubject="JavaSE发送邮件测试"; //邮件主题String MailBody="引用mail.jar和activation.jar实现邮件发送!"; //邮件内容//发送邮件boolean isSend=sendMail.sendingMimeMail(MailFrom, MailTo, MailCopyTo, MailBCopyTo, MailSubject, MailBody);if(isSend){System.out.println("邮件发送成功");}else{System.out.println("邮件发送失败");}}}
运行main主方法发送邮件
下载并加载JavaMail API
JavaMail API目前的版本为JavaMail API 1.4.3。可以从如下地址下载:
/products/javamail/downloads/index.html
下载后,建立jarFile文件夹,贴入mail.jar和activation.jar文件并且Add to Build Path
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